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Friday, 9 October

JEE Main Chemistry · Electrochemistry

Gibbs Energy and EMF

Gibbs Energy and EMF (Electrochemistry) was asked 2 times in 2 JEE Main shifts, 2020–2023, out of the 42 shifts Lumi analysed. 2 of the 2 had a numerical answer.

Times asked
2
in 2 shifts
Years
2020–2023
Usual format
Numerical value
Calculation
Pattern
Occasional
repeats across shifts

How it is asked

  • Count incorrect statements on cell thermodynamics
  • Gibbs energy from standard potentials

Difficulty

Easy 1Medium 1Hard 0

Where it sits

Chapter: Electrochemistry. Topic: Nernst Equation, 23 questions over 9 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 8 Apr 2023, Shift 2 · Q86The number of incorrect statements from the following is ____________ A. The electrical work that a reaction can perform at constant…MediumNumerical value
  2. 2 Sep 2020, Shift 1 · Q47The Gibbs energy change (in J) for the given reaction at [Cu2+]=[Sn2+]=1[\mathrm{Cu^{2+}}]=[\mathrm{Sn^{2+}}]=1 M and 298 K is :…EasyNumerical value